.form-group {
    margin-bottom: 16px;
  }

  .error-msg {
    color: #e63946;
    font-size: 13px;
    margin-top: 4px;
    display: none;
  }

  .form-group.error input,
  .form-group.error textarea {
    border-color: #e63946;
  }

  .form-message {
    margin-bottom: 16px;
    padding: 12px;
    border-radius: 4px;
    display: none;
    font-size: 14px;
  }

  .form-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    display: block;
  }

  .form-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    display: block;
  }

  #submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
  }

  /* Beautiful Notification Toast */
  .notification-toast {
    position: fixed;
    top: 20px;
    right: 20px;
    min-width: 320px;
    max-width: 500px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    padding: 20px 24px;
    display: none;
    z-index: 10000;
    animation: slideInRight 0.3s ease-out;
    border-left: 4px solid;
  }

  .notification-toast.show {
    display: flex;
    align-items: center;
    gap: 16px;
  }

  .notification-toast.success {
    border-left-color: #10b981;
    background: linear-gradient(135deg, #ecfdf5 0%, #ffffff 100%);
  }

  .notification-toast.error {
    border-left-color: #ef4444;
    background: linear-gradient(135deg, #fef2f2 0%, #ffffff 100%);
  }

  .notification-toast.info {
    border-left-color: #3b82f6;
    background: linear-gradient(135deg, #eff6ff 0%, #ffffff 100%);
  }

  .notification-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 20px;
  }

  .notification-toast.success .notification-icon {
    background: #10b981;
    color: white;
  }

  .notification-toast.error .notification-icon {
    background: #ef4444;
    color: white;
  }

  .notification-toast.info .notification-icon {
    background: #3b82f6;
    color: white;
  }

  .notification-content {
    flex: 1;
  }

  .notification-title {
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 4px;
    color: #1f2937;
  }

  .notification-toast.success .notification-title {
    color: #065f46;
  }

  .notification-toast.error .notification-title {
    color: #991b1b;
  }

  .notification-toast.info .notification-title {
    color: #1e40af;
  }

  .notification-message {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.5;
  }

  .notification-close {
    background: none;
    border: none;
    font-size: 20px;
    color: #9ca3af;
    cursor: pointer;
    padding: 4px;
    line-height: 1;
    transition: color 0.2s;
  }

  .notification-close:hover {
    color: #374151;
  }

  @keyframes slideInRight {
    from {
      transform: translateX(100%);
      opacity: 0;
    }
    to {
      transform: translateX(0);
      opacity: 1;
    }
  }

  @keyframes slideOutRight {
    from {
      transform: translateX(0);
      opacity: 1;
    }
    to {
      transform: translateX(100%);
      opacity: 0;
    }
  }

  .notification-toast.hide {
    animation: slideOutRight 0.3s ease-in forwards;
  }

  @media (max-width: 640px) {
    .notification-toast {
      right: 10px;
      left: 10px;
      min-width: auto;
      max-width: none;
    }
  }